| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a collision accident in a small aircraft or helicopter, using a rotary type radar in which image display and voice display are included. SOLUTION: Training or ordinary flight is carried out mainly at a height of about 1,500 feets where the air current is most stable, in the small aircraft and the helicopter. In a visual flight conducted by a pilot, since the pilot conducts both control and watching, a collision accident happens as a result thereof. The small radar is utilized for watching as a means for solving the problem hereinbefore. The safety of the flight is secured using the rotary type radar, as the small radar, of which the range of a radio wave is 500 m, of which the frequency is within the range of the wireless Telegraphy Act., of which the output is several watts, of which the marginal type is about 10 sec, in which the image display and the voice display are included.</p> |
